Electronic Pressure Switch – Huba 521 Series


  • Compact, rugged construction
  • Welded without sealing parts
  • Saving time by quick cable mounting by the customer with swift connector
  • Large selection of connections available

The compact type 521 pressure switch is based upon the Huba Control developed thick film technology where the pressure measuring cell is fully welded. Switching points set in factory are available both N/C and N/O function. Various electrical and pressure connections are available to suit given applications.


Medium Liquids and gases
Pressure range 0 … 2.5 – 600 bar
Upper switching point 8 … 100% fs
Lower switching point 5 … 97% fs
Accuracy typ. < 0.3% fs
Electrical connection Swift connector, M12x1
Pressure connection Inside thread or outside thread


Huba Control 521 Electronic Pressure Switch 0 … 2.5 – 600 bar-DpstarGroup